<template>
  <div class="login">
    <div class="logo-img-box">
      <img class="logo-img" src="http://oa.nongshen.cn/page/resource/userfile/other/logo.png" :height="100">
      <div class="download-wrap">
        <div class="download-item">
<!--          <image-preview class="download-img" :src="require('../assets/images/mini-img.jpg')" :height="120" :width="120" fit="contain" />-->
          <viewer :images="wxQrcodeImg">
            <image-preview :src="wxQrcodeImg" :width="200" :height="150"/>
          </viewer>
          <div class="download-tips">
            <div>微信小程序</div>
            <div>（扫码登录）</div>
          </div>
        </div>
        <div class="download-item">
<!--          <image-preview class="download-img" :src="require('../assets/images/apperweima.png')" :height="120" :width="120" fit="contain" />-->
          <viewer :images="appQrCodeImg">
            <image-preview :src="appQrCodeImg" :width="200" :height="150"/>
          </viewer>
          <div class="download-tips">
            <div>安卓APP</div>
            <div>（扫码下载）</div>
          </div>
        </div>
      </div>
    </div>
    <div>
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
        <h3 class="title custom-title">农神快拉智慧运输系统</h3>
        <el-form-item prop="phonenumber">
          <el-input
            v-model="loginForm.phonenumber"
            type="text"
            auto-complete="off"
            placeholder="账号"
          >
            <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            type="password"
            auto-complete="off"
            placeholder="密码"
            @keyup.enter.native="handleLogin"
          >
            <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
          </el-input>
        </el-form-item>
        <el-form-item prop="code" v-if="captchaEnabled">
          <el-input
            v-model="loginForm.code"
            auto-complete="off"
            placeholder="验证码"
            style="width: 63%"
            @keyup.enter.native="handleLogin"
          >
            <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode" class="login-code-img"/>
          </div>
        </el-form-item>
        <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
        <el-form-item style="width:100%;">
          <el-button
            :loading="loading"
            size="medium"
            type="primary"
            style="width:100%;"
            @click.native.prevent="handleLogin"
          >
            <span v-if="!loading">登 录</span>
            <span v-else>登 录 中...</span>
          </el-button>
          <div style="float: right;" v-if="register">
            <router-link class="link-type" :to="'/register'">立即注册</router-link>
          </div>
        </el-form-item>
      </el-form>
    </div>
    <!--  底部  -->
    <div class="el-login-footer">
      <span style="color: #8b98a5">渝ICP备2024021412号</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'
export default {
  name: "Login",
  data() {
    return {
      miniImg: '../assets/images/mini-img.jpg',
      codeUrl: "",
      loginForm: {
        phonenumber: '15888888888',
        password: 'admin20240306',
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        phonenumber: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined,
      wxQrcodeImg: undefined,
      appQrCodeImg: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
    this.getQrCodeImgBySceneCode('WEB_LOGIN_WX_DOWNLOAD');
    this.getQrCodeImgBySceneCode('WEB_LOGIN_APP_DOWNLOAD');
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.data.captchaEnabled === undefined ? true : res.data.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.data.img;
          this.loginForm.uuid = res.data.uuid;
        }
      });
    },
    getCookie() {
      const phonenumber = Cookies.get("phonenumber");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        phonenumber: phonenumber === undefined ? this.loginForm.phonenumber : phonenumber,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("phonenumber", this.loginForm.phonenumber, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("phonenumber");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          });
        }
      });
    },
    /** 获取二维码图片 */
    getQrCodeImgBySceneCode(sceneCode) {
      if (sceneCode === 'WEB_LOGIN_WX_DOWNLOAD') {
        getVersionInfo(sceneCode).then(res => {
          this.wxQrcodeImg = res.data.qrCodeImg
        });
      } else if (sceneCode === 'WEB_LOGIN_APP_DOWNLOAD') {
        getVersionInfo(sceneCode).then(res => {
          this.appQrCodeImg = res.data.qrCodeImg
        });
      }
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  background-color: #036f70;
  //background-image: url("../assets/images/login-background.jpeg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
.logo-img-box {
  height: 33%;
  width: 100%;
}
.download-wrap {
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: flex;
  align-items: flex-start;
  .download-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-left: 20px;
    .download-tips {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: #FFFFFF;
      margin-top: 10px;
    }
    .download-img {
      border-radius: 8px;
    }
    .download-img:first-child {
      margin-left: 0;
    }
  }
}
.logo-img {
  padding-left: 30px;
  padding-top: 40px;
}
.custom-title {
  letter-spacing: 10px;
}
</style>
